<template>
    <div class="shopcar-container">
     <div class="goods-list">
         <div class="mui-card" v-for="(item,i) in goodslist" :key="item.id">
				<div class="mui-card-content">
					<div class="mui-card-content-inner">
						<mt-switch 
                        v-model="$store.getters.getGoodsSelected[item.id]"
                        @change="selectedChanged(item.id, $store.getters.getGoodsSelected[item.id])"></mt-switch>
                        <img :src=item.thumb_path alt="">
                        <div class="info">
                            <h1>{{item.title}}</h1>
                            <p>
                                <span class="price">￥{{item.sell_price}}</span>
                                <numbox :initcount="$store.getters.getGoodsCount[item.id]" :goodsid="item.id"></numbox>
                                <a href="#" @click.prevent="remove(item.id, i)">删除</a>
                            </p>
                        </div>
					</div>
				</div>
			</div>
     </div>
     <mt-switch></mt-switch>

     <!-- 结算区域 -->
    <div class="mui-card">
        <div class="mui-card-content">
            <div class="mui-card-content-inner jiesuan">
                <div class="left">
                    <p>总计（不含运费）</p>
                    <p>已勾选商品 <span class="red">{{ $store.getters.getGoodsCountAndAmount.count }}</span>件,总价：<span class="red">￥{{ $store.getters.getGoodsCountAndAmount.amount }}</span>
                    </p>
                </div>
                    <mt-button type="danger">去结算</mt-button>
            </div>
        </div>
    </div>
    </div>
</template>
           
<script>
import numbox from "../subcomponents/shopcar_numbox.vue";
export default{
    data(){
        return{
            goodslist:[],
            selected:true
        }
    },
    methods:{
        getGoodsList() {
            // 1. 获取到 store 中所有的商品的Id，然后拼接出一个 用逗号分隔的 字符串
            var idArr = [];
            this.$store.state.car.forEach(item => idArr.push(item.id));
            // 如果 购物车中没有商品，则直接返回，不需要请求数据接口，否则会报错
            if (idArr.length <= 0) {
                return;
            }
            // 获取购物车商品列表
            this.$http
                .get("api/goods/getshopcarlist/" + idArr.join(","))
                .then(result => {
                    if (result.body.status === 0) {
                        this.goodslist = result.body.message;
                    }
                });
        },
        remove(id, index) {
            // 点击删除，把商品从 store 中根据 传递的 Id 删除，同时，把 当前组件中的 goodslist 中，对应要删除的那个商品，使用 index 来删除
            this.goodslist.splice(index, 1);
            this.$store.commit("removeFormCar", id);
        },
        selectedChanged(id, val) {
            // 每当点击开关，把最新的 快关状态，同步到 store 中
            // console.log(id + " --- " + val);
            this.$store.commit("updateGoodsSelected", { id, selected: val });
        },
    },
    created(){
        this.getGoodsList()
    },
    components:{
        numbox
    }
}
</script>
<style lang="scss" scoped>
.shopcar-container{
    background-color: #eee;
    // overflow: hidden;
            
    .mui-card-content-inner{
        display: flex;
        align-items: center;
        h1{
            font-size: 14px;
        }
        img{
            width: 60px;
        }
        .info {
            display: flex;
            flex-direction: column;
            justify-content: space-between;
            p{
                display: flex;
                justify-content: space-between;
                align-items: center;
                .price {
                color: red;
                font-weight: bold;
                }
            }
            
        }
    }
    .jiesuan{
        display:flex;
        justify-content: space-between;
        align-items: center;
        .red {
        color: red;
        font-weight: bold;
        font-size: 16px;
        }
    }
}          
</style>